新规下若干排烟系统设计问题的探讨

Discussion on Some Problems of Smoke Exhaust System Design under New Regulations

《建筑防烟排烟系统技术标准》GB51251-2017中对于建筑排烟系统的设计方法和思路,与旧规范有着很大变化。不同设计人员对于新规范中条文的理解大相径庭,致使很多设计人员在日常设计过程中不知该如何抉择。本文笔者将针对几个有争议的问题进行分析,并提供一些设计思路和建议。

The design methods and ideas of building smoke exhaust system in"Technical standard of smoke management systems in buildings"(GB51251-2017)have great changes with the old specifications.Different designers have different understandings of the provisions in the new specification,so many designers do not know how to choose in the daily design process.In this paper,the author will analyze several controversial issues,and provide some design ideas and suggestions.